include time restriction

app/main.py

@@ -1,7 +1,10 @@
-from fastapi import FastAPI
+from fastapi import FastAPI, Request
+from fastapi.staticfiles import StaticFiles
 
 from fastapi.responses import FileResponse
 
+from fastapi.templating import Jinja2Templates
+
 from app.api.main import api_router
 from app.core.config import settings
 
@@ -9,6 +12,8 @@ from app.core.db import init_db, engine
 
 from sqlmodel import Session
 
+from app.core.utils import is_registration_open
+
 with Session(engine) as session:
     init_db(session)
 
@@ -16,10 +21,34 @@ app = FastAPI(
     title=settings.PROJECT_NAME, openapi_url=f"{settings.API_V1_STR}/openapi.json"
 )
 
-@api_router.get("/")
-def index():
-    return FileResponse("app/index.html")
+templates = Jinja2Templates(directory="app/templates")
 
+@api_router.get("/")
+def index(request: Request):
+    reg_open, not_before, not_after = is_registration_open()
+    if reg_open:
+        return templates.TemplateResponse(
+                request=request, name="registration-open.html", context={}
+            )
+    else:
+        return templates.TemplateResponse(
+            request=request, name="registration-closed.html", context={
+                "not_before": settings.NOT_BEFORE,
+                "not_after": settings.NOT_AFTER,
+            }
+        )
+
+@api_router.get("/success.html")
+def success(request: Request):
+    return templates.TemplateResponse(
+            request=request, name="registration-success.html", context={
+                "not_before": settings.NOT_BEFORE,
+                "not_after": settings.NOT_AFTER,
+            }
+        )
+    
 app.include_router(api_router, prefix=settings.API_V1_STR)
 
+app.mount("/static", StaticFiles(directory="app/static"), name="static")
+